<template>
<el-container>
	<el-aside width="300px" v-loading="showDicloading">
		<el-container>
			<el-header>
				<el-input placeholder="输入关键字进行过滤" v-model="dicFilterText" clearable></el-input>
			</el-header>
			<el-main class="nopadding">
				<el-tree ref="dic" class="menu" node-key="id" :data="dicList" :props="dicProps" :highlight-current="true" :expand-on-click-node="false" :filter-node-method="dicFilterNode" @node-click="dicClick">
					<template #default="{node, data}">
						<span class="custom-tree-node">
							<span class="label">{{ node.label }}</span>
							<span class="code">{{ data.name }}</span>
							<span class="do">
								<el-icon :size="26" @click.stop="dicEdit(data)"><el-icon-edit /></el-icon>
								<el-icon :size="26" @click.stop="dicDel(node, data)"><el-icon-delete /></el-icon>
							</span>
						</span>
					</template>
				</el-tree>
			</el-main>
			<el-footer style="height:51px;">
				<el-button type="primary" icon="el-icon-plus" style="width: 100%;" @click="addDic">字典分类</el-button>
			</el-footer>
		</el-container>
	</el-aside>
	<el-container class="is-vertical">
		<el-header>
			<div class="left-panel">
				<el-button type="primary" icon="el-icon-plus" @click="addInfo"></el-button>
				<el-button type="danger" plain icon="el-icon-delete" :disabled="selection.length==0" @click="batch_del"></el-button>
			</div>
		</el-header>
		<el-main class="nopadding">
			<scTable ref="table" :apiObj="listApi" row-key="id" :params="listApiParams" @selection-change="selectionChange" stripe :paginationLayout="'prev, pager, next'">
				<el-table-column type="selection" width="50"></el-table-column>
				<el-table-column label="" width="60">
					<template #default>
						<el-tag class="move" style="cursor: move;"><el-icon-d-caret style="width: 1em; height: 1em;"/></el-tag>
					</template>
				</el-table-column>
				<el-table-column label="名称" prop="title"></el-table-column>
				<el-table-column label="键值" prop="values" width="150"></el-table-column>
				<el-table-column label="是否有效" prop="status" width="100">
					<template #default="scope">
						<el-tag type="success" v-if="scope.row.status==1">是</el-tag>
						<el-tag type="info" v-if="scope.row.status==0">否</el-tag>
					</template>
				</el-table-column>
				<el-table-column label="排序" prop="sort" width="150"></el-table-column>
				<el-table-column label="操作" fixed="right" align="right" width="140">
					<template #default="scope">
						<el-button-group>
							<el-button type="primary" @click="table_edit(scope.row, scope.$index)">编辑</el-button>
							<el-popconfirm title="确定删除吗？" @confirm="table_del(scope.row, scope.$index)">
								<template #reference>
									<el-button type="danger">删除</el-button>
								</template>
							</el-popconfirm>
						</el-button-group>
					</template>
				</el-table-column>
			</scTable>
		</el-main>
	</el-container>
</el-container>

<dic-dialog v-if="dialog.dic" ref="dicDialog" @success="handleDicSuccess" @closed="dialog.dic=false"></dic-dialog>

<list-dialog v-if="dialog.list" ref="listDialog" @success="handleListSuccess" @closed="dialog.list=false"></list-dialog>

</template>

<script>
import dicDialog from './dic'
import listDialog from './list'
import Sortable from 'sortablejs'

export default {
	name: 'system.dic',
	components: {
		dicDialog,
		listDialog
	},
	data() {
		return {
			dialog: {
				dic: false,
				info: false
			},
			showDicloading: true,
			dicList: [],
			dicFilterText: '',
			dicProps: {
				label: 'title'
			},
			listApi: this.$API.system.dictionary.list,
			listApiParams: {},
			selection: []
		}
	},
	watch: {
		dicFilterText(val) {
			this.$refs.dic.filter(val);
		}
	},
	mounted() {
		this.getDic()
		// this.rowDrop()
	},
	methods: {
		//加载树数据
		async getDic(){
			var res = await this.$API.system.dictionary.category.get({is_tree: 1});
			this.showDicloading = false;
			this.dicList = res.data;
			//获取第一个节点,设置选中 & 加载明细列表
			var firstNode = this.dicList[0];
			if(firstNode){
				this.$nextTick(() => {
					this.$refs.dic.setCurrentKey(firstNode.id)
				})
				this.listApiParams = {
					group_id: firstNode.id
				}
				this.$refs.table.reload(this.listApiParams);
			}
		},
		//树过滤
		dicFilterNode(value, data){
			if (!value) return true;
			var targetText = data.title + data.name;
			return targetText.indexOf(value) !== -1;
		},
		//树增加
		addDic(){
			this.dialog.dic = true
			this.$nextTick(() => {
				this.$refs.dicDialog.open()
			})
		},
		//编辑树
		dicEdit(data){
			this.dialog.dic = true
			this.$nextTick(() => {
				var editNode = this.$refs.dic.getNode(data.id);
				var editNodeParentId =  editNode.level==1?undefined:editNode.parent.data.id
				data.parent_id = editNodeParentId
				this.$refs.dicDialog.open('edit').setData(data)
			})
		},
		//树点击事件
		dicClick(data){
			this.$refs.table.reload({
				group_id: data.id
			})
		},
		//删除树
		dicDel(node, data){
			this.$confirm(`确定删除 ${data.name} 项吗？`, '提示', {
				type: 'warning'
			}).then(() => {
				this.showDicloading = true;

				this.$API.system.dictionary.delCate.post({id: data.id});
				//删除节点是否为高亮当前 是的话 设置第一个节点高亮
				var dicCurrentKey = this.$refs.dic.getCurrentKey();
				this.$refs.dic.remove(data.id)
				if(dicCurrentKey == data.id){
					var firstNode = this.dicList[0];
					if(firstNode){
						this.$refs.dic.setCurrentKey(firstNode.id);
						this.$refs.table.upData({
							code: firstNode.code
						})
					}else{
						this.listApi = null;
						this.$refs.table.tableData = []
					}
				}

				this.showDicloading = false;
				this.$message.success("操作成功")
			}).catch(() => {

			})
		},
		//行拖拽
		rowDrop(){
			const _this = this
			const tbody = this.$refs.table.$el.querySelector('.el-table__body-wrapper tbody')
			Sortable.create(tbody, {
				handle: ".move",
				animation: 300,
				ghostClass: "ghost",
				onEnd({ newIndex, oldIndex }) {
					const tableData = _this.$refs.table.tableData
					const currRow = tableData.splice(oldIndex, 1)[0]
					tableData.splice(newIndex, 0, currRow)
					_this.$message.success("排序成功")
				}
			})
		},
		//添加明细
		addInfo(){
			this.dialog.list = true
			this.$nextTick(() => {
				var node = this.$refs.dic.getCurrentNode();
				const data = {
					dic_type: node.code
				}
				this.$refs.listDialog.open().setData(data)
			})
		},
		//编辑明细
		table_edit(row){
			this.dialog.list = true
			this.$nextTick(() => {
				this.$refs.listDialog.open('edit').setData(row)
			})
		},
		//删除明细
		async table_del(row, index){
			var reqData = {id: row.id}
			var res = await this.$API.system.dictionary.delete.post(reqData);
			if(res.code == 1){
				this.$refs.table.tableData.splice(index, 1);
				this.$message.success("删除成功")
			}else{
				this.$alert(res.message, "提示", {type: 'error'})
			}
		},
		//批量删除
		async batch_del(){
			this.$confirm(`确定删除选中的 ${this.selection.length} 项吗？`, '提示', {
				type: 'warning'
			}).then(() => {
				const loading = this.$loading();
				this.selection.forEach(item => {
					this.$refs.table.tableData.forEach((itemI, indexI) => {
						if (item.id === itemI.id) {
							this.$refs.table.tableData.splice(indexI, 1)
						}
					})
				})
				loading.close();
				this.$message.success("操作成功")
			}).catch(() => {

			})
		},
		//提交明细
		saveList(){
			this.$refs.listDialog.submit(async (formData) => {
				this.isListSaveing = true;
				var res = await this.$API.system.dictionary.post.post(formData);
				this.isListSaveing = false;
				if(res.code == 1){
					//这里选择刷新整个表格 OR 插入/编辑现有表格数据
					this.listDialogVisible = false;
					this.$message.success("操作成功")
				}else{
					this.$alert(res.message, "提示", {type: 'error'})
				}
			})
		},
		//表格选择后回调事件
		selectionChange(selection){
			this.selection = selection;
		},
		//表格内开关事件
		changeSwitch(val, row){
			this.$API.system.dictionary.edit.post({id: row.id, status: val});
		},
		//本地更新数据
		handleDicSuccess(data, mode){
			if(mode=='add'){
				if(this.dicList.length > 0){
					this.$refs.table.upData({
						code: data.code
					})
				}else{
					this.listApiParams = {
						code: data.code
					}
					this.listApi = this.$API.system.dictionary.list;
				}
				this.$refs.dic.append(data, data.parent_id)
				this.$refs.dic.setCurrentKey(data.id)
			}else if(mode=='edit'){
				var editNode = this.$refs.dic.getNode(data.id);

				//判断是否移动？
				var editNodeParentId =  editNode.level==1 ? undefined : editNode.parent.data.id
				console.log(editNodeParentId)
				if(editNodeParentId != data.parent_id){
					var obj = editNode.data;
					this.$refs.dic.remove(data.id)
					this.$refs.dic.append(obj, data.parent_id)
				}
				Object.assign(editNode.data, data)
				this.$refs.table.refresh()
			}
		},
		//本地更新数据
		handleListSuccess(){
			this.$refs.table.refresh()
		}
	}
}
</script>

<style scoped>
.custom-tree-node {display: flex;flex: 1;align-items: center;justify-content: space-between;font-size: 14px;padding-right: 24px;height:100%;}
.custom-tree-node .code {font-size: 12px;color: #999;}
.custom-tree-node .do {display: none;}
.custom-tree-node .do i {margin-left:5px;color: #999;padding:5px;}
.custom-tree-node .do i:hover {color: #333;}
.custom-tree-node:hover .code {display: none;}
.custom-tree-node:hover .do {display: inline-block;}
</style>
